Home / 79,211,337.36-118,815,151.23-20,923,083.33

Finding the Fourth Proportional to 79,211,337.36, 118,815,151.23 and 20,923,083.33

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Solution

The fourth proportional to 79,211,337.36, 118,815,151.23 and 20,923,083.33 is: 31,384,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211,337.36 : 118,815,151.23 = 20,923,083.33 : x
  2. Step 2: Convert to fraction form
    79,211,337.36/118,815,151.23 = 20,923,083.33/x
  3. Step 3: Cross multiply
    79,211,337.36x = 118,815,151.23 × 20,923,083.33
  4. Step 4: Simplify right side
    79,211,337.36x = 2,485,979,310,051,842
  5. Step 5: Solve for x
    x = 2,485,979,310,051,842/79,211,337.36
  6. Step 6: Final answer
    x = 31,384,135.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.